diff --git a/pkgs/by-name/fs/fstar/package.nix b/pkgs/by-name/fs/fstar/package.nix
index 0886216122c8..b694bf7cdbf0 100644
--- a/pkgs/by-name/fs/fstar/package.nix
+++ b/pkgs/by-name/fs/fstar/package.nix
@@ -19,13 +19,13 @@ let
 in
 ocamlPackages.buildDunePackage (finalAttrs: {
   pname = "fstar";
-  version = "2025.10.06";
+  version = "2025.12.15";
 
   src = fetchFromGitHub {
     owner = "FStarLang";
     repo = "FStar";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-PH3ylEiUS+mfFtYV+KI7xrCewkEutM1c14A+ARsyOQY=";
+    hash = "sha256-UuwDX6178YMhEQqpEOATswzoUNpEECq7Nyh2yk5gKRg=";
   };
 
   nativeBuildInputs = [